"And especially the Aussie fans, I appreciate what you guys have done for me. Thank you everybody, I appreciate it." Former world No.1 Hewitt came out of retirement to revive his partnership with Groth one last time.

"Playing in front of great crowds on big home courts like this. It's what you really miss ... the adrenaline rush that we get from coming out here to try and put on a show for you guys," Hewitt said.

Groth couldn’t contain his emotions after the loss.

"We've played big matches together. That's one of the main reasons why I came back to play.

"I loved playing Davis Cup with this fella.

"He wore his heart on his sleeve and would do anything for the green and gold. "For me to play alongside him for his last event is pretty special." Groth partnered with Samantha Stosur in the mixed doubles with the pair bowing out in the second round.

Cabal and Farah will meet six-time Australian Open champions Bob and Mike Bryan in Friday night's semi-final.